Vietnam Ho Chi Minh Stock Index / VN-Index MF2-GARCH Volatility Analysis
Volatility prediction for Friday, October 16th, 2026
1 Day
13.24%
decreased by 0.83%
1 Week
14.23%
increased by 0.16%
1 Month
16.31%
increased by 2.24%
Analysis last updated: Friday, October 16, 2026 at 11:51 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 28, 2000 to Oct 15, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 77% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 77% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 21 | |
| αARCH | 0.1561 | 5.77*** |
| βGARCH | 0.6384 | 17.45*** |
| γleverage | 0.1205 | 4.33*** |
| λ₁tau intercept | 0.0426 | 1.90* |
| λ₂forecast adj. | 0.1303 | 2.77*** |
| λ₃tau persistence | 0.8486 | 15.23*** |
0.855
Persistence4d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 21 | |
α ARCH Response to squared shocks | 0.1561 | 5.77*** |
β GARCH Volatility persistence | 0.6384 | 17.45*** |
γ leverage Additional response to negative shocks | 0.1205 | 4.33*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0426 | 1.90* |
λ₂ forecast adj. Forecast performance sensitivity | 0.1303 | 2.77*** |
λ₃ tau persistence Long-term factor persistence | 0.8486 | 15.23*** |
Persistence:
0.855
Half-life:
4 days
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